SEARCH BY VEHICLE:
Enter Vehicle Year Make Model

Specify your vehicle's year, make and model to guarantee fit.

Year
Make
Model
Options
Drivetrain

2020 Peterbilt 337 Parts

What year is your
Free Same Day Shipping

2020 Peterbilt 337

Filter Results
  • Notify When Available

    VIDEO

    34MM 12PT 1/2 Drive Deep Well Impact Socket

    Socket

    2 reviews
    Brand: TRQ
    - TLK01012

    • Socket Depth: Deep Wall
    • Contact Point Design: 12 Point
    • Socket Drive: 1/2 in. Drive
    • Socket Size: 34mm
    • Unit of Measure: Metric
    • Socket Type: Impact
    $34.95
    Save 29%
    List $48.95 Save $14.00

    Socket

    VIDEO

    34MM 12PT 1/2 Drive Deep Well Impact Socket
    2 reviews
    Brand: TRQ - TLK01012
    • Socket Depth: Deep Wall
    • Contact Point Design: 12 Point
    • Socket Drive: 1/2 in. Drive
    • Socket Size: 34mm
    • Unit of Measure: Metric
    • Socket Type: Impact
    $34.95
    Save 29%
    List $48.95 Save $14.00
  • Notify When Available

    VIDEO

    Trico Tech Wiper Blade Pair

    Replaces 2020 Peterbilt 337 with Two Piece Windshield 2 Piece 18in Wiper Blade Set TRICO Tech TPWWS00075

    3 reviews
    Brand: TRICO Tech
    - TPWWS00075

    • Includes: (2) 18 in. Trico Tech Beam Wiper Blades
    • Quantity: 2 Piece
    • Kit Includes: (2) Wiper Blades
    • Wiper Blade Length: 18in
    $52.95
    Save 25%
    List $70.95 Save $18.00

    Guaranteed to Fit 2020 Peterbilt 337

    Guaranteed to Fit 2020 Peterbilt 337

    Replaces 2020 Peterbilt 337 with Two Piece Windshield 2 Piece 18in Wiper Blade Set TRICO Tech TPWWS00075

    VIDEO

    Trico Tech Wiper Blade Pair
    3 reviews
    Brand: TRICO Tech - TPWWS00075
    • Includes: (2) 18 in. Trico Tech Beam Wiper Blades
    • Quantity: 2 Piece
    • Kit Includes: (2) Wiper Blades
    • Wiper Blade Length: 18in
    $52.95
    Save 25%
    List $70.95 Save $18.00

    Guaranteed to Fit 2020 Peterbilt 337

    Guaranteed to Fit 2020 Peterbilt 337

  • Notify When Available

    VIDEO

    Trico Tech Wiper Blade Pair

    Replaces 2020 Peterbilt 337 with One Piece Windshield 2 Piece 16in Wiper Blade Set TRICO Tech TPWWS00032

    Brand: TRICO Tech
    - TPWWS00032

    • Includes: (2) 16 in. Trico Tech Beam Wiper Blades
    • Quantity: 2 Piece
    • Kit Includes: (2) Wiper Blades
    • Wiper Blade Length: 16in
    $49.95
    Save 30%
    List $70.95 Save $21.00

    Guaranteed to Fit 2020 Peterbilt 337

    Guaranteed to Fit 2020 Peterbilt 337

    Replaces 2020 Peterbilt 337 with One Piece Windshield 2 Piece 16in Wiper Blade Set TRICO Tech TPWWS00032

    VIDEO

    Trico Tech Wiper Blade Pair
    Brand: TRICO Tech - TPWWS00032
    • Includes: (2) 16 in. Trico Tech Beam Wiper Blades
    • Quantity: 2 Piece
    • Kit Includes: (2) Wiper Blades
    • Wiper Blade Length: 16in
    $49.95
    Save 30%
    List $70.95 Save $21.00

    Guaranteed to Fit 2020 Peterbilt 337

    Guaranteed to Fit 2020 Peterbilt 337

  • Notify When Available

    VIDEO

    Socket

    Socket

    3 reviews
    Brand: TRQ
    - TLK01008

    • Socket Depth: Deep Wall
    • Socket Size: 30mm
    • Contact Point Design: 12 Point
    • Socket Drive: 1/2 in. Drive
    • Unit of Measure: Metric
    • Socket Type: Impact
    $33.95
    Save 21%
    List $42.95 Save $9.00

    Socket

    VIDEO

    Socket
    3 reviews
    Brand: TRQ - TLK01008
    • Socket Depth: Deep Wall
    • Socket Size: 30mm
    • Contact Point Design: 12 Point
    • Socket Drive: 1/2 in. Drive
    • Unit of Measure: Metric
    • Socket Type: Impact
    $33.95
    Save 21%
    List $42.95 Save $9.00
  • Notify When Available

    VIDEO

    32MM 12PT 1/2 Drive Deep Well Impact Socket

    Socket

    2 reviews
    Brand: TRQ
    - TLK01009

    • Socket Depth: Deep Wall
    • Contact Point Design: 12 Point
    • Socket Drive: 1/2 in. Drive
    • Unit of Measure: Metric
    • Socket Size: 32mm
    • Socket Type: Impact
    $29.95
    Save 36%
    List $46.95 Save $17.00

    Socket

    VIDEO

    32MM 12PT 1/2 Drive Deep Well Impact Socket
    2 reviews
    Brand: TRQ - TLK01009
    • Socket Depth: Deep Wall
    • Contact Point Design: 12 Point
    • Socket Drive: 1/2 in. Drive
    • Unit of Measure: Metric
    • Socket Size: 32mm
    • Socket Type: Impact
    $29.95
    Save 36%
    List $46.95 Save $17.00
  • Notify When Available

    VIDEO

    Wiper Blade Kit

    Replaces 2020 Peterbilt 337 Front with Two Piece Windshield 2 Piece 18in Wiper Blade Set TRICO Sentry TPWWS00570

    3 reviews
    Brand: TRICO Sentry
    - TPWWS00570

    • Includes: (2) 18 in. Trico Sentry Hybrid Wiper Blades
    • Quantity: 2 Piece
    • Kit Includes: (2) Wiper Blades
    • Wiper Blade Length: 18in
    $57.95
    Save 22%
    List $73.95 Save $16.00

    Guaranteed to Fit 2020 Peterbilt 337

    Guaranteed to Fit 2020 Peterbilt 337

    Replaces 2020 Peterbilt 337 Front with Two Piece Windshield 2 Piece 18in Wiper Blade Set TRICO Sentry TPWWS00570

    VIDEO

    Wiper Blade Kit
    3 reviews
    Brand: TRICO Sentry - TPWWS00570
    • Includes: (2) 18 in. Trico Sentry Hybrid Wiper Blades
    • Quantity: 2 Piece
    • Kit Includes: (2) Wiper Blades
    • Wiper Blade Length: 18in
    $57.95
    Save 22%
    List $73.95 Save $16.00

    Guaranteed to Fit 2020 Peterbilt 337

    Guaranteed to Fit 2020 Peterbilt 337

  • Notify When Available

    VIDEO

    Brake Fluid

    Brake Fluid 12 Piece Set 12oz

    1 reviews
    Brand: TRQ
    - BFL01025

    • Quantity: 12 Piece Set
    $57.95
    Save 32%
    List $84.95 Save $27.00

    Brake Fluid 12 Piece Set 12oz

    VIDEO

    Brake Fluid
    1 reviews
    Brand: TRQ - BFL01025
    • Quantity: 12 Piece Set
    $57.95
    Save 32%
    List $84.95 Save $27.00
  • Notify When Available

    VIDEO

    Socket

    Socket

    2 reviews
    Brand: TRQ
    - TLK01013

    • Socket Size: 35mm
    • Socket Depth: Deep Wall
    • Contact Point Design: 6 Point
    • Socket Drive: 1/2 in. Drive
    • Unit of Measure: Metric
    • Socket Type: Impact
    $34.95
    Save 17%
    List $41.95 Save $7.00

    Socket

    VIDEO

    Socket
    2 reviews
    Brand: TRQ - TLK01013
    • Socket Size: 35mm
    • Socket Depth: Deep Wall
    • Contact Point Design: 6 Point
    • Socket Drive: 1/2 in. Drive
    • Unit of Measure: Metric
    • Socket Type: Impact
    $34.95
    Save 17%
    List $41.95 Save $7.00
  • Notify When Available

    VIDEO

    Oxygen Sensor Install Socket

    Heavy Duty Oxygen Sensor Install Socket

    93 reviews
    Brand: TRQ
    - TLK01007

    • Socket Drive: 3/8 in. Drive
    • Product Grade: Heavy Duty
    • Socket Size: 7/8 in

    Out of Stock

    $ 16.95

    Heavy Duty Oxygen Sensor Install Socket

    VIDEO

    Oxygen Sensor Install Socket
    93 reviews
    Brand: TRQ - TLK01007
    • Socket Drive: 3/8 in. Drive
    • Product Grade: Heavy Duty
    • Socket Size: 7/8 in

    Out of Stock

    $ 16.95
  • Notify When Available

    VIDEO

    RAVEN: Powder-Free, Exam Grade, Fully Textued BLACK Nitrile NON LATEX 6 MIL Gloves (100/BOX) (L)

    Large Disposable Gloves Box of 100

    8 reviews
    Brand: Raven
    - 66518

    • Size: Large
    • Quantity: Box of 100
    • Glove Material: Nitrile (Powder Free)
    • Glove Thickness: 6 mil
    $28.95
    Save 33%
    List $42.95 Save $14.00

    Large Disposable Gloves Box of 100

    VIDEO

    RAVEN: Powder-Free, Exam Grade, Fully Textued BLACK Nitrile NON LATEX 6 MIL Gloves (100/BOX) (L)
    8 reviews
    Brand: Raven - 66518
    • Size: Large
    • Quantity: Box of 100
    • Glove Material: Nitrile (Powder Free)
    • Glove Thickness: 6 mil
    $28.95
    Save 33%
    List $42.95 Save $14.00
1

...

1 2 3 4 5

...

9
Close



Peterbilt is a registered trademark of PACCAR Inc. 1A Auto is not affiliated with or sponsored by Peterbilt or PACCAR Inc. See all trademarks.
Same Day Shipping

Need your part faster? Choose expedited shipping at checkout.

Guaranteed To Fit

Highest quality, direct fit replacement auto parts enforced to the strictest product standards.

USA Customer Support

Exceeding customers' expectations, our team of passionate auto enthusiasts are here to help.

Instructional Video Library

Thousands of how-to auto repair videos to guide you step-by-step through your repair.

Go To Top
Specify your vehicle

Specify your vehicle's year, make and model to guarantee fit.

Year
Make
Model
Options
Drivetrain

If your vehicle isn't listed, close the window to return to search.